Arsenal

RegentPowerRare
Whenever you create a card, gain 1 Strength.
  • Every time a card is created for you during combat, you gain 1 Strength.
  • Creation covers cards added to a combat pile with you as the source: Shivs and tokens, copies of cards, random Colorless cards, the Debris that Collision Course makes, and the Sovereign Blade your first Forge each fight brings into hand.
  • Transformations in combat count too: BEGONE!, CHARGE!! and GUARDS!!! each feed it.
  • Cards enemies put into your deck do not.
  • Upgrading adds Innate.
Character
Regent
Type
Power
Rarity
Rare
Cost
1 Energy
Target
Yourself
Unlock
FriendsKill 15 Elites with the Regent

When to take Arsenal

Worth taking once your deck creates three or more cards a turn, such as with Bundle of Joy or a Crash Landing plan. Upgrade it early so it is on board turn 1.

Cards that synergize with Arsenal

Bundle of Joy
Skill
1
Add 3 random Colorless cards into your Hand.
Exhaust.
Bundle of Joy is 3 Strength for 1 Energy.Add 3 random Colorless cards into your Hand.
Exhaust.
Crash Landing
Attack
1
Deal 21 damage to ALL enemies.
Fill your Hand with Debris.
Crash Landing fills your hand with Debris and Strength.Deal 21 damage to ALL enemies.
Fill your Hand with Debris.
Quasar
Skill
0
2
Choose 1 of 3 random Colorless cards to add into your Hand.
Quasar and Manifest Authority add a card and a point each.Choose 1 of 3 random Colorless cards to add into your Hand.
Manifest Authority
Skill
1
Gain 7 Block.
Add 1 random Colorless card into your Hand.
Quasar and Manifest Authority add a card and a point each.Gain 7 Block.
Add 1 random Colorless card into your Hand.
Supermassive
Attack
1
Deal 5 damage.
Deals 3 additional damage for each card you created this combat.
Supermassive scales with the same count.Deal 5 damage.
Deals 3 additional damage for each card you created this combat.
Seven Stars
Attack
2
7
Deal 7 damage to ALL enemies 7 times.
Seven Stars hits several times, so the Strength from Arsenal counts on each hitDeal 7 damage to ALL enemies 7 times.
Celestial Might
Attack
2
Deal 6 damage 3 times.
Celestial Might hits several times, so the Strength from Arsenal counts on each hitDeal 6 damage 3 times.
Heavenly Drill
Attack
X
Deal 8 damage X times.
Double X if it's 4 or more.
Heavenly Drill hits several times, so the Strength from Arsenal counts on each hitDeal 8 damage X times.
Double X if it's 4 or more.
Stardust
Attack
0
Deal 5 damage to a random enemy X times.
Stardust hits several times, so the Strength from Arsenal counts on each hitDeal 5 damage to a random enemy X times.
Astral Pulse
Attack
0
3
Deal 6 damage to ALL enemies twice.
Astral Pulse hits several times, so the Strength from Arsenal counts on each hitDeal 6 damage to ALL enemies twice.
Lunar Blast
Attack
0
Deal 4 damage for each Skill already played this turn.
Lunar Blast hits several times, so the Strength from Arsenal counts on each hitDeal 4 damage for each Skill already played this turn.
Radiate
Attack
0
Deal 3 damage to ALL enemies for each gained this turn.
Radiate hits several times, so the Strength from Arsenal counts on each hitDeal 3 damage to ALL enemies for each gained this turn.
Exterminate
Attack
1
Deal 3 damage to ALL enemies 4 times.
Exterminate hits several times, so the Strength from Arsenal counts on each hitDeal 3 damage to ALL enemies 4 times.
Peck
Attack
1
Deal 2 damage 3 times.
Peck hits several times, so the Strength from Arsenal counts on each hitDeal 2 damage 3 times.
Volley
Attack
X
Deal 10 damage to a random enemy X times.
Volley hits several times, so the Strength from Arsenal counts on each hitDeal 10 damage to a random enemy X times.
Mad Science
Attack
1
??????
Mad Science hits several times, so the Strength from Arsenal counts on each hit??????
Maul
Attack
1
Deal 5 damage twice.
Increase the damage of ALL Maul cards by 1 this combat.
Maul hits several times, so the Strength from Arsenal counts on each hitDeal 5 damage twice.
Increase the damage of ALL Maul cards by 1 this combat.
Rip and Tear
Attack
1
Deal 7 damage to a random enemy twice.
Rip and Tear hits several times, so the Strength from Arsenal counts on each hitDeal 7 damage to a random enemy twice.

Relics that synergize with Arsenal

Regalite
Regalite pays Block on the same trigger.Whenever you create a card, gain 2 Block.
Permafrost
Permafrost triggers on Powers played, and Arsenal is oneThe first time you play a Power each combat, gain 7 Block.
Lost Wisp
Lost Wisp triggers on Powers played, and Arsenal is oneWhenever you play a Power, deal 8 damage to ALL enemies.
Mummified Hand
Mummified Hand triggers on Powers played, and Arsenal is oneWhenever you play a Power, a random card in your Hand is free to play that turn.
Game Piece
Game Piece triggers on Powers played, and Arsenal is oneWhenever you play a Power, draw 1 card.
✦
Resonance
Skill
1
3
Gain 1 Strength. ALL enemies lose 1 Strength.
Monologue
Skill
0
Whenever you play a card this turn, gain 1 Strength this turn.
Tyranny
Power
1
At the start of your turn, draw 1 card and Exhaust 1 card from your Hand.
Monarch's Gaze
Power
2
Whenever you attack an enemy, it loses 1 Strength this turn.
Dying Star
Attack
1
3
Ethereal.
Deal 9 damage to ALL enemies. ALL enemies lose 9 Strength this turn.
Big Bang
Skill
0
Draw 1 card.
Gain .
Gain .
Forge 5.
Exhaust.
Crush Under
Attack
1
Deal 7 damage to ALL enemies. All enemies lose 1 Strength this turn.
Prowess
Power
1
Gain 1 Strength.
Gain 1 Dexterity.

Changes by version

  1. 18 Jun 2026Bug fixPillar of CreationSupermassiveLargessev0.107.1
    Pillar of Creation, Supermassive, and Arsenal cards now proc for the player who played Largesse rather than the recipient
  2. 26 Apr 2026Bug fixPillar of CreationSupermassiveLargesseBeta branch
    Pillar of Creation, Supermassive, and Arsenal cards now proc for the player that played Largesse card rather than the player who gets the generated card
  3. 26 Mar 2026ReworkStrengthInnateBeta branch
    "Power - Rare - Cost 1 Whenever you play a Colorless Card, gain 1(2) Strength." to "Power - Rare - Cost 1 (Innate.) Whenever you create a card, gain 1 Strength."
All 5 patch notes2 older
  1. 18 Sep 2025ArtInternal playtest
    Added portrait art
  2. 5 Jun 2025AddedInternal playtest
    Added to the game

Internal playtest notes are from before the Early Access release. Names and numbers in them can differ from the game today.

Purchase today
If you haven't bought Slay The Spire 2 yet, it's time. Support the devs, they made an amazing game.Get it on Steam